Revision as of 22:44, 26 May 2006 editජපස (talk | contribs)Extended confirmed users, Pending changes reviewers, Rollbackers60,464 edits referenced!← Previous edit | Latest revision as of 10:09, 28 May 2013 edit undoDennis Brown (talk | contribs)Autopatrolled, Extended confirmed users, IP block exemptions69,230 edits per ANI discussion | ||
(40 intermediate revisions by 15 users not shown) | |||
Line 1: | Line 1: | ||
#REDIRECT ] | |||
'''Article under development''' | |||
]'' (Sep 1986) featuring Hannes Alfvén's popular introductory article on the subject]] | |||
The '''Plasma Universe''' is a collection of ideas not adopted by ] into ]s that are at least partially based on ]'s "...model based on the emissions and behavior of the most prevalent material in the universe.. ]" <ref>Alfven, Hannes, "" (1986) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. PS-14, Dec. 1986, p. 629-638. </ref> <ref>Hannes Alfvén, "The plasma universe" ''Physics Today'', Sep 1986</ref>. | |||
==Origin of the term== | |||
The term was originally coined to"... emphasize the fact that plasma phenomenon discovered in the laboratory and in accessible regions of space, must be important also in the rest of the universe, which consists almost entirely of matter in the plasma state" <ref>Falthammar, C. G. "" ''Basic Plasma Processes in the Sun''. Proceedings of the 142nd. Symposium of the International Astronomical Union, held in Bangalore, India, December 1-5, 1989.</ref> Subsequent to Alfvén's and other plasma physicists' publications on the matter, ] has come to play a major role in ] research programs. Astronomers recognize the tremendous importance that plasma processes play in observed astrophysical phenomena. | |||
However, some of the suggestions made during the intial research into the field have been marginalized or are considered by most mainstream astronomers to be ]. Nevertheless, a small group of commited scientists and laypersons are convinced for various reasons that many of these discarded ideas are relevant and mistakenly dismissed{{citation needed}}. Today, the term "Plasma Universe" serves as an umbrella to indicate this collection of ideas which range from the allegedly ] and ] suggestions of the ], a ] origin of the solar system to nonstandard but more prosaic explanations regarding ]. | |||
The Plasma Universe ideas are generally marginalized in the ]. For example, while it's considered fact that most of the baryonic matter in the universe is plasma, ] of astronomers is that upwards of 96% of the material energy-density in the universe is non-baryonic ] or ]. As such, the suggestions of the Plasma Universe as it regards cosmology and certain proponents skepticism towards the ] is ] and has been criticized by cosmologists as such.<ref>See, for example, cosmologist ]'s criticism of ]'s suggestions: .</ref> | |||
==Areas of applicability== | |||
The Plasma Universe applies to diverse areas of astronomy including the origin of the Universe<ref>Hannes Alfvén, "" (1988) ''Laser and Particle Beams'' (ISSN 0263-0346), vol. 6, Aug. 1988, p. 389-398</ref>, | |||
the formation of ]<ref>Peratt, Anthony L., "" (1986) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. PS-14, Dec. 1986, p. 763-778.</ref>, | |||
]<ref>Alfven, H.; Carlqvist, P., "" (1978) ''Astrophysics and Space Science'', vol. 55, no. 2, May 1978, p. 487-509</ref>, ], to areas such ] <ref>Peratt, Anthony L. "" (1986) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. PS-14, Dec. 1986, p. 639-660.</ref>, | |||
]<ref>Wells, Daniel R.; Bourouis, Mohammad, "" (1989) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. 17, April 1989, p. 270-281.</ref>, and the ]<ref>Wells, Daniel R., "" (1990) IEEE Transactions on Plasma Science (ISSN 0093-3813), vol. 18, Feb. 1990, p. 73-76</ref>, | |||
and the origin of ]<ref>Trubnikov, Boris A. "" (1992) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. 20, no. 6, p. 898-904.</ref>, | |||
the cellular nature of space<ref>Alfven, H. "" (1990) ''IEEE Transactions on Plasma Science'' (ISSN 0093-3813), vol. 18, Feb. 1990, p. 5-10.</ref>, | |||
and electric currents in cosmic plasmas<ref>Peratt, A. L., "" (1996) ''Astrophys. Space Sci.'', 244, 89-103 (1996)</ref>. | |||
==History== | |||
Hannes Alfvén developed his idea of the "Plasma Universe" based on his experience in the field. Inspired by the earlier work of ] and ], Alfvén proposed that although interstellar space was thought to be a ]{{citation needed}} and consequently unable to support an electrical current, he argued that if diffuse plasma pervaded the universe, then it could carry electric currents that could generate a galactic magnetic field<ref>Alfvén, H., 1937 "Cosmic Radiation as an Intra-galactic Phenomenon", ''Ark. f. mat., astr. o. fys.'' 25B, no. 29.</ref> | |||
In 1950, Alfvén published the first edition of his book ''Cosmical Electrodynamics'' in which he highlights: | |||
:"Physics is mainly based on experience gained in the laboratory. When we try to apply to cosmic phenomenon the laws in which this experience is condensed, we make an enormous extrapolation, the legitimacy of which can be checked only by comparing the theoretical results with observations. | |||
:It seems very probably that electromagnetic phenomenon will prove to be of great importance in cosmic physics. No definite reasons are known why it should not be possible to extrapolate the laboratory results in this field to cosmic physics."<ref>Alfvén, H., ''Cosmical Electrodynamics'', Oxford Clarendon Press, 1950 (Note: this substantially different from the later 2nd edition)</ref> | |||
==Footnotes== | |||
<div style="font-size: 95%"> | |||
<!--See ] for an explanation of how to generate footnotes using the <ref(erences/)> tags--> | |||
<references/> | |||
</div> | |||
==References== | |||
*Alfvén, H., '''' (Book) Astrophysics and Space Science Library. Volume 82, 1981. 178 p. | |||
*Lerner, E., '', New York: Times Books/Random House, c1991. 1st ed. | |||
*Peratt, A. L., "" (Book) 372pp. 208 figs.. Springer-Verlag Berlin Heidelberg New York | |||
==External Links== | |||
* at Los Alamos National Laboratory | |||
* , Eric Lerner. See also: | |||
** Edward Wright, "''''". | |||
** Eric Lerner, "''Dr. Wright is Wrong -- |
Latest revision as of 10:09, 28 May 2013
Redirect to: